#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>
int main(void)
{
	int a, b, sum, sub, cj, sh;
	scanf("%d %d", &a, &b);
	sum = a + b;
	sub = a - b;
	cj = a * b;
	sh = a / b;
	printf("sum=%d\n", sum);
	printf("sub=%d\n", sub);
	printf("cj=%d\n", cj);
	printf("sh=%d\n", sh);
	return 0;
}

